contractor vs couturier

contractor

noun
  • A person or company that builds or improves buildings. 

  • A person hired to do a job on a business contract, as opposed to a permanent employee. 

  • A person or company that performs specific tasks like electrical or plumbing work in construction projects. 

  • A person or company hired to maintain existing facilities like air conditioning systems, groundskeeping, etc. 

couturier

noun
  • A company that is owned by or employs such a person; a fashion house. 

  • A person who designs haute couture (high fashion). 

How often have the words contractor and couturier occurred in a corpus of books? (source: Google Ngram Viewer )